Which of the following statements is incorrect?

1. Grana lamellae have both PSI and PS II.
2. Cyclic photophosphorylation involves both PS I and PS II.
3. Both ATP and NADPH+H+ are non-cyclic synthesized during photophosphorylation.
4. Stroma lamellae have PS I only and lack NADP reductase.

Subtopic:  Light Reaction: Photophosphorylation |
 78%
From NCERT
NEET - 2021
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During non-cyclic photophosphorylation, when electrons are lost from the reaction center at PS II, what is the source which replaces these electrons?

1. Oxygen

2. Water

3. Carbon dioxide

4. Light 

Subtopic:  Light Reaction: Photophosphorylation |
 81%
From NCERT
NEET - 2020
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Which of the following is not a product of light reaction of photosynthesis?
1. ATP 2. NADH
3. NADPH 4. Oxygen
Subtopic:  Light Reaction: Photophosphorylation |
 73%
From NCERT
NEET - 2018
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Read the following four statements A, B, C and D and select the right option having both correct statements:

STATEMENTS:

(A) Z-scheme of light reaction takes place in the presence of PSI only
(B) Only PSI functional in cyclic photophosphorylation
(C) Cyclic photophosphorylation results in a synthesis of ATP and NADPH2
(D) Stroma lamellae lack PSII as well as NADP

Options:

1. A and B

2. B and C

3. C and D

4. B and D

Subtopic:  Light Reaction: Photophosphorylation | Light Reactions |
 82%
From NCERT
AIPMT - 2010
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Cyclic -photophosphorylation results in the formation of:
1. NADPH
2. ATP and NADPH
3. ATP, NADPH, and O2
4. ATP

Subtopic:  Light Reaction: Photophosphorylation |
 78%
From NCERT
AIPMT - 2009
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Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on:

1. Membrane potential

2. Accumulation of K ions

3. Proton gradient

4. Accumulation of Na ions 

Subtopic:  Light Reaction: Photophosphorylation |
 96%
From NCERT
AIPMT - 2005
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